51692160000 has 880 divisors, whose sum is σ = 196960702400. Its totient is φ = 11943936000.

The previous prime is 51692159989. The next prime is 51692160011. The reversal of 51692160000 is 6129615.

It is an interprime number because it is at equal distance from previous prime (51692159989) and next prime (51692160011).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 51692160000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 474239946 + ... + 474240054.

It is an arithmetic number, because the mean of its divisors is an integer number (223818980).

Almost surely, 2^51692160000 is an apocalyptic number.

51692160000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51692160000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98480351200).

51692160000 is an abundant number, since it is smaller than the sum of its proper divisors (145268542400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51692160000 is a wasteful number, since it uses less digits than its factorization.

51692160000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

Adding to 51692160000 its reverse (6129615), we get a palindrome (51698289615).

The spelling of 51692160000 in words is "fifty-one billion, six hundred ninety-two million, one hundred sixty thousand".